package com.usian.controller;

import com.usian.pojo.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.loadbalancer.LoadBalancerClient;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

@RestController
@RequestMapping("/user")
public class UserController {
    @Autowired
    RestTemplate restTemplate;

    @Autowired
    LoadBalancerClient loadBalancerClient;

    @RequestMapping(value="/user/{id}",method= RequestMethod.GET)
    public User getUserBy(@PathVariable Integer id){
        ServiceInstance si = loadBalancerClient.choose("ribbon-provider1");
        //指定要调用的服务
        String url = "http://"+si.getHost()+":"+si.getPort()+"/user/findById/"+id;
        return restTemplate.getForObject(url, User.class);
    }
}
